[Liftoff] Remove unused return value

R=ahaas@chromium.org

Bug: v8:9919
Change-Id: I0739cfaa00abde3ce81831aa235c835277ea942c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1893338Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64686}

src/wasm/baseline/arm/liftoff-assembler-arm.h

@@ -747,15 +747,13 @@ FP64_UNOP(f64_sqrt, vsqrt)
 #undef FP64_UNOP
 #undef FP64_BINOP
 
-bool LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
   clz(dst, src);
-  return true;
 }
 
-bool LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
   rbit(dst, src);
   clz(dst, dst);
-  return true;
 }
 
 bool LiftoffAssembler::emit_i32_popcnt(Register dst, Register src) {

src/wasm/baseline/arm64/liftoff-assembler-arm64.h

@@ -563,15 +563,13 @@ FP64_UNOP(f64_sqrt, Fsqrt)
 #undef I64_SHIFTOP
 #undef I64_SHIFTOP_I
 
-bool LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
   Clz(dst.W(), src.W());
-  return true;
 }
 
-bool LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
   Rbit(dst.W(), src.W());
   Clz(dst.W(), dst.W());
-  return true;
 }
 
 bool LiftoffAssembler::emit_i32_popcnt(Register dst, Register src) {

src/wasm/baseline/ia32/liftoff-assembler-ia32.h

@@ -777,14 +777,12 @@ void LiftoffAssembler::emit_i32_shr(Register dst, Register src, int amount) {
   shr(dst, amount);
 }
 
-bool LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
   Lzcnt(dst, src);
-  return true;
 }
 
-bool LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
   Tzcnt(dst, src);
-  return true;
 }
 
 bool LiftoffAssembler::emit_i32_popcnt(Register dst, Register src) {

src/wasm/baseline/liftoff-assembler.h

@@ -417,8 +417,8 @@ class LiftoffAssembler : public TurboAssembler {
   inline void emit_i32_shr(Register dst, Register src, int amount);
 
   // i32 unops.
-  inline bool emit_i32_clz(Register dst, Register src);
-  inline bool emit_i32_ctz(Register dst, Register src);
+  inline void emit_i32_clz(Register dst, Register src);
+  inline void emit_i32_ctz(Register dst, Register src);
   inline bool emit_i32_popcnt(Register dst, Register src);
 
   // i64 binops.

src/wasm/baseline/mips/liftoff-assembler-mips.h

@@ -706,14 +706,12 @@ I32_BINOP_I(xor, Xor)
 
 #undef I32_BINOP_I
 
-bool LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
   TurboAssembler::Clz(dst, src);
-  return true;
 }
 
-bool LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
   TurboAssembler::Ctz(dst, src);
-  return true;
 }
 
 bool LiftoffAssembler::emit_i32_popcnt(Register dst, Register src) {

src/wasm/baseline/mips64/liftoff-assembler-mips64.h

@@ -626,14 +626,12 @@ I32_BINOP_I(xor, Xor)
 
 #undef I32_BINOP_I
 
-bool LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
   TurboAssembler::Clz(dst, src);
-  return true;
 }
 
-bool LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
   TurboAssembler::Ctz(dst, src);
-  return true;
 }
 
 bool LiftoffAssembler::emit_i32_popcnt(Register dst, Register src) {

src/wasm/baseline/x64/liftoff-assembler-x64.h

@@ -740,14 +740,12 @@ void LiftoffAssembler::emit_i32_shr(Register dst, Register src, int amount) {
   shrl(dst, Immediate(amount));
 }
 
-bool LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
   Lzcntl(dst, src);
-  return true;
 }
 
-bool LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
+void LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
   Tzcntl(dst, src);
-  return true;
 }
 
 bool LiftoffAssembler::emit_i32_popcnt(Register dst, Register src) {